Next up was FOX (3.95 million viewers, #3; adults 18-49: 1.2, #3) with a new "So You Think You Can Dance" (5.09 million viewers, #6; adults 18-49: 1.6, #3) alongside a repeat of "Glee" (2.80 million viewers, #9; adults 18-49: 0.9, #T9).

In In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.4/6; CBS's "Late Show with David Letterman," 2.3/6; and ABC's combo of "Nightline," 2.9/7; and "Jimmy Kimmel Live," 1.3/4.

In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.6/3; "Late Show," 0.7/3; "Nightline," 0.9/4; and "Jimmy Kimmel Live," 0.5/3.

At 12:35 a.m., "Late Night with Jimmy Fallon" (1.2/4 in metered-market households) beat CBS's "Late Late Show with Craig Ferguson" (1.1/4). In the 25 markets with Local People Meters, "Late Night" (0.4/3 in 18-49) tied "Late Late Show" (0.4/2).

At 1:35 a.m., Last Call with Carson Daly" averaged a 0.7/3 in metered-market households with an encore and a 0.3/2 in adults 18-49 in the 25 markets with local people meters.

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks one year ago (7/22/10):

Likewise in the young adults hunt was FOX (4.86 million viewers, #4; adults 18-49: 1.7, #T1) with a repeat of "Glee" (3.92 million viewers, #9; adults 18-49: 1.4, #T7) and a new "So You Think You Can Dance" (5.81 million viewers, #6; adults 18-49: 2.1, #3).